C# Access Bağlantı

using System.Data.OleDb;

public static string   baglanti_yolu = "Provider=Microsoft.ACE.OLEDB.12.0; DataSource=veritabaniismi.accdb";

OleDbConnection baglanti;

void baglant_kontrol()
       {
           try
           {
               baglanti.Open();
               MessageBox.Show("Baglanti Aktif", "Bilgi", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
               baglanti.Close();
           }
            catch
           {
               MessageBox.Show("Baglanti Pasif", "Error", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);

           }
       }

 private void Form1_Load(object sender, EventArgs e)
        {
            baglant_kontrol();

        }